The following information has been taken from the perpetual inventory system of Imperial Manufacturing Company for the month ended September 30: Purchases of direct materials Direct materials used Direct labor costs assigned to production Manufacturing overhead costs incurred $ 75,000 $ 52,400 $ 41,000 $ 48,000 September 30 Balances in inventory Materials Work in Process Finished Goods September 1 $ 49,000 $ 46, 500 $ 73,000 $ 38,000 $ 42,000 The cost of goods sold in September is: Multiple Choice $148,400. o $172,400. $180,900. Some other amount